/* =========================================================
   ozonlama.net — style.css
   Nemeks Ozon Sistemleri — ana stil dosyası
   Font: Google Open Sans
   ========================================================= */

:root {
  --renk-ana: #0a3d62;
  --renk-ana-koyu: #072a45;
  --renk-vurgu: #17c0eb;
  --renk-whatsapp: #25d366;
  --renk-whatsapp-koyu: #1da851;
  --renk-metin: #23303c;
  --renk-metin-soft: #55636f;
  --renk-arkaplan: #ffffff;
  --renk-arkaplan-alt: #f4f8fb;
  --renk-border: #e1e8ee;
  --renk-uyari-bg: #fff8e6;
  --radius: 10px;
  --golge: 0 4px 18px rgba(10, 61, 98, 0.08);
  --font: 'Open Sans', Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--renk-metin);
  background: var(--renk-arkaplan);
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--renk-ana); text-decoration: none; }
a:hover { color: var(--renk-vurgu); }

h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 700;
  color: var(--renk-ana-koyu);
  line-height: 1.3;
  margin: 0 0 16px;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.55rem; margin-top: 40px; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 16px; color: var(--renk-metin); }

ul, ol { margin: 0 0 16px; padding-left: 22px; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.container.narrow { max-width: 820px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-whatsapp {
  background: var(--renk-whatsapp);
  color: #fff;
}
.btn-whatsapp:hover { background: var(--renk-whatsapp-koyu); color: #fff; }

.btn-outline {
  background: transparent;
  border-color: var(--renk-ana);
  color: var(--renk-ana);
}
.btn-outline:hover { background: var(--renk-ana); color: #fff; }

.btn-lg { padding: 15px 30px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--renk-border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 20px;
}
.logo-img { height: 42px; width: auto; }
.main-nav { display: flex; gap: 22px; }
.main-nav a { font-weight: 600; color: var(--renk-metin); font-size: 0.95rem; }
.main-nav a:hover { color: var(--renk-ana); }
.header-cta { display: flex; gap: 10px; align-items: center; }
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { background: var(--renk-arkaplan-alt); padding: 10px 0; }
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.85rem;
}
.breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 6px; color: var(--renk-metin-soft); }
.breadcrumb a { color: var(--renk-metin-soft); }
.breadcrumb span[aria-current] { color: var(--renk-ana); font-weight: 600; }

/* ---------- Hero (bölge/hizmet sayfası) ---------- */
.article-hero { padding: 44px 0 24px; text-align: left; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--renk-vurgu);
  margin-bottom: 10px;
}
.lead { font-size: 1.1rem; color: var(--renk-metin-soft); max-width: 760px; }
.hero-actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

.hero-image { margin: 10px 0 30px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--golge); }
.hero-image img { width: 100%; max-height: 420px; object-fit: cover; }
.hero-image figcaption { padding: 10px 16px; font-size: 0.85rem; color: var(--renk-metin-soft); background: var(--renk-arkaplan-alt); }

/* ---------- Hizmet bannerı (kullanıcı tarafından yüklenecek) ---------- */
.service-banner { margin: 18px 0; border-radius: var(--radius); overflow: hidden; }
.service-banner img { width: 100%; max-height: 260px; object-fit: cover; }
.img-yok { display: none; }

/* ---------- Ekipman galerisi (hizmet/bölge sayfaları içinde) ---------- */
.inline-equipment-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.inline-equipment-gallery figure { margin: 0; background: var(--renk-arkaplan-alt); border: 1px solid var(--renk-border); border-radius: var(--radius); overflow: hidden; }
.inline-equipment-gallery img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.inline-equipment-gallery figcaption { padding: 10px 12px; font-size: 0.82rem; color: var(--renk-metin-soft); font-weight: 600; }

/* ---------- Homepage hero ---------- */
.hero-home { background: linear-gradient(135deg, var(--renk-ana-koyu), var(--renk-ana)); color: #fff; padding: 60px 0; }
.hero-home-inner { display: flex; align-items: center; gap: 40px; }
.hero-home-text { flex: 1.2; }
.hero-home-text h1 { color: #fff; font-size: 2.3rem; }
.hero-home-text .lead { color: #dbeaf4; }
.hero-home-image { flex: 1; }
.hero-home-image img { border-radius: var(--radius); box-shadow: 0 12px 30px rgba(0,0,0,.25); }
.hero-home .eyebrow { color: #7fe3ff; }

/* ---------- İçerik bölümleri ---------- */
.content-section { padding: 10px 0 30px; }
.content-section.alt-bg { background: var(--renk-arkaplan-alt); padding: 40px 0; margin: 20px 0; }
.highlight-box {
  background: var(--renk-arkaplan-alt);
  border-left: 4px solid var(--renk-vurgu);
  border-radius: var(--radius);
  padding: 22px 26px;
}

.process-steps { list-style: none; padding: 0; counter-reset: step; }
.process-steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--renk-border);
}
.process-steps li:last-child { border-bottom: none; }
.step-no {
  flex: 0 0 auto;
  background: var(--renk-ana);
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

/* ---------- CTA Blok ---------- */
.cta-block {
  background: var(--renk-uyari-bg);
  border: 1px solid #ffe6a8;
  border-radius: var(--radius);
  padding: 28px;
  margin: 36px 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cta-text h2 { margin: 0 0 6px; font-size: 1.3rem; }
.cta-fields { color: var(--renk-metin-soft); font-size: 0.92rem; margin: 0; }
.cta-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  border: 1px solid var(--renk-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  background: #fff;
}
.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--renk-ana-koyu);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: '+ '; color: var(--renk-vurgu); font-weight: 800; }
.faq-item[open] summary::before { content: '– '; }
.faq-item p { margin: 10px 0 0; color: var(--renk-metin-soft); }

/* ---------- Kartlar / Gridler ---------- */
.service-grid, .related-grid, .equipment-grid, .branch-grid, .contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.service-card, .related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--renk-arkaplan-alt);
  border: 1px solid var(--renk-border);
  border-radius: var(--radius);
  padding: 18px;
  transition: box-shadow .15s ease, transform .15s ease;
}
.service-card:hover, .related-card:hover { box-shadow: var(--golge); transform: translateY(-2px); }
.service-card-cat { font-size: 0.82rem; color: var(--renk-metin-soft); }

.equipment-card, .branch-card, .contact-card {
  background: #fff;
  border: 1px solid var(--renk-border);
  border-radius: var(--radius);
  padding: 18px;
}
.equipment-card img { border-radius: 8px; margin-bottom: 12px; aspect-ratio: 1/1; object-fit: cover; }

.region-link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.region-link-grid a {
  background: var(--renk-arkaplan-alt);
  border: 1px solid var(--renk-border);
  border-radius: 20px;
  padding: 7px 16px;
  font-size: 0.88rem;
  color: var(--renk-metin);
}
.region-link-grid a:hover { background: var(--renk-ana); color: #fff; }

.see-all { margin-top: 16px; font-weight: 600; }

/* ---------- Footer ---------- */
.footer-region-links { background: var(--renk-arkaplan-alt); padding: 34px 0; }
.footer-region-links h2 { margin-top: 0; font-size: 1.2rem; }

.site-footer { background: var(--renk-ana-koyu); color: #cfe0ec; padding: 46px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding-bottom: 34px;
}
.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-col a { color: #cfe0ec; }
.footer-col a:hover { color: var(--renk-vurgu); }
.footer-logo { height: 34px; margin-bottom: 12px; filter: brightness(0) invert(1); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 16px 0;
  font-size: 0.82rem;
  color: #9fb6c6;
}

/* ---------- Sticky Alt İletişim Barı (yalnızca mobilde görünür — bkz. responsive.css) ---------- */
.sticky-contact {
  display: none; /* varsayılan: masaüstünde gizli — mobil görünürlüğü responsive.css'de açılır */
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 510px;
  width: 90%;
  margin-bottom: 15px;
  border: 4px solid #fff;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border-radius: 50px;
  overflow: hidden;
}

.contact-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sticky-btn-call { background: #f55b14; color: #fff; }
.sticky-btn-call:hover { background: #020e28; color: #fff; }

.sticky-btn-whatsapp { background: #25d366; color: #fff; }
.sticky-btn-whatsapp:hover { background: #073819; color: #fff; }

.btn-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
  flex-shrink: 0;
}


/* ---------- Statik sayfalar ---------- */
.static-page { padding: 40px 0 60px; }
.page-404 { text-align: center; padding: 80px 20px; }